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A Phase Separation Model for the Nanopatterning of Diatom Biosilica
Abstract
Diatoms are encased in an intricately patterned wall that consists of amorphous silica. Species-specific fabrication of this ornate biomineral enables taxonomists to identify thousands of diatom species. The molecular mechanisms that control this nanofabrication and generate the diversity of patterns is not well understood. A simple model is described, in which repeated phase separation events during wall biogenesis are assumed to produce self-similar silica patterns in smaller and smaller scales. On the basis of this single assumption, the apparently complex patterns found in the valves of the diatom genus Coscinodiscus can be predicted. Microscopic analysis of valves in statu nascendi from three different Coscinodiscus species supports the conclusions derived from the model.
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Cited by
An Overview of Biomineralization Processes and the Problem of the Vital Effect
Weiner, S. (2003) · Reviews in Mineralogy and Geochemistry · doi:10.2113/0540001 · Cited by 1,022
Learning from Diatoms: Nature's Tools for the Production of Nanostructured Silica
Sumper, M., & Brunner, E. (2006) · Advanced Functional Materials · doi:10.1002/adfm.200500616 · Cited by 441
Self-citationDiatomaceous Lessons in Nanotechnology and Advanced Materials
Losic, D., Mitchell, J. G., & Voelcker, N. H. (2009) · Advanced Materials · doi:10.1002/adma.200803778 · Cited by 414
Metadata
- Authors
- Sumper, M.
- Venue
- Science
- Published
- 2002-03-29
- Volume
- 295
- Issue
- 5564
- Pages
- 2430-2433
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W1995880765
- Cited by
- 370
- References
- 0
- FWCI
- 15.10
- Type
- journal article
- Language
- en
- Open access
- closed
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
